In general, it is not recommended to cook at night and then continue to cook the next day, except in the case of ensuring that the drug does not deteriorate, it is possible to continue to cook the next day. Because some of the Chinese medicine will have a certain volatility, overnight, the efficacy of the medicine will be volatile, and if the weather is relatively hot, improper storage of the drug may be deteriorated, the patient may drink the vomiting and diarrhea and other symptoms. Therefore, in general, Chinese medicine is not recommended to be cooked at night and continue to cook the next day. However, if the weather is cold or the room temperature is low, if the storage is proper and can ensure that the drug does not evaporate, does not deteriorate, does not affect the efficacy of the case, it is also possible to continue to cook at night after the next day. In the process of decoction, pay attention to moderate stirring, so as not to paste the pot, but also do not open the lid of the pot too often to avoid volatilization of the drug. If the patient in the process of medication discomfort symptoms, need to promptly consult the doctor, identify the cause of the disease to give treatment.